Home / 1,224,759.98-1,690,073.06-680,862.67

Finding the Fourth Proportional to 1,224,759.98, 1,690,073.06 and 680,862.67

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Solution

The fourth proportional to 1,224,759.98, 1,690,073.06 and 680,862.67 is: 939,537.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,759.98 : 1,690,073.06 = 680,862.67 : x
  2. Step 2: Convert to fraction form
    1,224,759.98/1,690,073.06 = 680,862.67/x
  3. Step 3: Cross multiply
    1,224,759.98x = 1,690,073.06 × 680,862.67
  4. Step 4: Simplify right side
    1,224,759.98x = 1,150,707,656,126.67
  5. Step 5: Solve for x
    x = 1,150,707,656,126.67/1,224,759.98
  6. Step 6: Final answer
    x = 939,537.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.